/*
* Mesa 3-D graphics library
- * Version: 6.5.3
*
* Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
*/
#include "context.h"
#include "feedback.h"
#include "macros.h"
+#include "mtypes.h"
#include "rastpos.h"
#include "state.h"
-#include "glapi/dispatch.h"
+#include "main/viewport.h"
+#include "util/bitscan.h"
-#if FEATURE_rastpos
+
+/**
+ * Clip a point against the view volume.
+ *
+ * \param v vertex vector describing the point to clip.
+ *
+ * \return zero if outside view volume, or one if inside.
+ */
+static GLuint
+viewclip_point_xy( const GLfloat v[] )
+{
+ if ( v[0] > v[3] || v[0] < -v[3]
+ || v[1] > v[3] || v[1] < -v[3] ) {
+ return 0;
+ }
+ else {
+ return 1;
+ }
+}
+
+
+/**
+ * Clip a point against the near Z clipping planes.
+ *
+ * \param v vertex vector describing the point to clip.
+ *
+ * \return zero if outside view volume, or one if inside.
+ */
+static GLuint
+viewclip_point_near_z( const GLfloat v[] )
+{
+ if (v[2] < -v[3]) {
+ return 0;
+ }
+ else {
+ return 1;
+ }
+}
+
+
+/**
+ * Clip a point against the far Z clipping planes.
+ *
+ * \param v vertex vector describing the point to clip.
+ *
+ * \return zero if outside view volume, or one if inside.
+ */
+static GLuint
+viewclip_point_far_z( const GLfloat v[] )
+{
+ if (v[2] > v[3]) {
+ return 0;
+ }
+ else {
+ return 1;
+ }
+}
+
+
+/**
+ * Clip a point against the user clipping planes.
+ *
+ * \param ctx GL context.
+ * \param v vertex vector describing the point to clip.
+ *
+ * \return zero if the point was clipped, or one otherwise.
+ */
+static GLuint
+userclip_point( struct gl_context *ctx, const GLfloat v[] )
+{
+ GLbitfield mask = ctx->Transform.ClipPlanesEnabled;
+ while (mask) {
+ const int p = u_bit_scan(&mask);
+ GLfloat dot = v[0] * ctx->Transform._ClipUserPlane[p][0]
+ + v[1] * ctx->Transform._ClipUserPlane[p][1]
+ + v[2] * ctx->Transform._ClipUserPlane[p][2]
+ + v[3] * ctx->Transform._ClipUserPlane[p][3];
+
+ if (dot < 0.0F) {
+ return 0;
+ }
+ }
+
+ return 1;
+}
+
+
+/**
+ * Compute lighting for the raster position. RGB modes computed.
+ * \param ctx the context
+ * \param vertex vertex location
+ * \param normal normal vector
+ * \param Rcolor returned color
+ * \param Rspec returned specular color (if separate specular enabled)
+ */
+static void
+shade_rastpos(struct gl_context *ctx,
+ const GLfloat vertex[4],
+ const GLfloat normal[3],
+ GLfloat Rcolor[4],
+ GLfloat Rspec[4])
+{
+ /*const*/ GLfloat (*base)[3] = ctx->Light._BaseColor;
+ GLbitfield mask;
+ GLfloat diffuseColor[4], specularColor[4]; /* for RGB mode only */
+
+ COPY_3V(diffuseColor, base[0]);
+ diffuseColor[3] = CLAMP(
+ ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_DIFFUSE][3], 0.0F, 1.0F );
+ ASSIGN_4V(specularColor, 0.0, 0.0, 0.0, 1.0);
+
+ mask = ctx->Light._EnabledLights;
+ while (mask) {
+ const int i = u_bit_scan(&mask);
+ struct gl_light *light = &ctx->Light.Light[i];
+ GLfloat attenuation = 1.0;
+ GLfloat VP[3]; /* vector from vertex to light pos */
+ GLfloat n_dot_VP;
+ GLfloat diffuseContrib[3], specularContrib[3];
+
+ if (!(light->_Flags & LIGHT_POSITIONAL)) {
+ /* light at infinity */
+ COPY_3V(VP, light->_VP_inf_norm);
+ attenuation = light->_VP_inf_spot_attenuation;
+ }
+ else {
+ /* local/positional light */
+ GLfloat d;
+
+ /* VP = vector from vertex pos to light[i].pos */
+ SUB_3V(VP, light->_Position, vertex);
+ /* d = length(VP) */
+ d = (GLfloat) LEN_3FV( VP );
+ if (d > 1.0e-6F) {
+ /* normalize VP */
+ GLfloat invd = 1.0F / d;
+ SELF_SCALE_SCALAR_3V(VP, invd);
+ }
+
+ /* atti */
+ attenuation = 1.0F / (light->ConstantAttenuation + d *
+ (light->LinearAttenuation + d *
+ light->QuadraticAttenuation));
+
+ if (light->_Flags & LIGHT_SPOT) {
+ GLfloat PV_dot_dir = - DOT3(VP, light->_NormSpotDirection);
+
+ if (PV_dot_dir<light->_CosCutoff) {
+ continue;
+ }
+ else {
+ GLfloat spot = powf(PV_dot_dir, light->SpotExponent);
+ attenuation *= spot;
+ }
+ }
+ }
+
+ if (attenuation < 1e-3F)
+ continue;
+
+ n_dot_VP = DOT3( normal, VP );
+
+ if (n_dot_VP < 0.0F) {
+ ACC_SCALE_SCALAR_3V(diffuseColor, attenuation, light->_MatAmbient[0]);
+ continue;
+ }
+
+ /* Ambient + diffuse */
+ COPY_3V(diffuseContrib, light->_MatAmbient[0]);
+ ACC_SCALE_SCALAR_3V(diffuseContrib, n_dot_VP, light->_MatDiffuse[0]);
+
+ /* Specular */
+ {
+ const GLfloat *h;
+ GLfloat n_dot_h;
+
+ ASSIGN_3V(specularContrib, 0.0, 0.0, 0.0);
+
+ if (ctx->Light.Model.LocalViewer) {
+ GLfloat v[3];
+ COPY_3V(v, vertex);
+ NORMALIZE_3FV(v);
+ SUB_3V(VP, VP, v);
+ NORMALIZE_3FV(VP);
+ h = VP;
+ }
+ else if (light->_Flags & LIGHT_POSITIONAL) {
+ ACC_3V(VP, ctx->_EyeZDir);
+ NORMALIZE_3FV(VP);
+ h = VP;
+ }
+ else {
+ h = light->_h_inf_norm;
+ }
+
+ n_dot_h = DOT3(normal, h);
+
+ if (n_dot_h > 0.0F) {
+ GLfloat shine;
+ GLfloat spec_coef;
+
+ shine = ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_SHININESS][0];
+ spec_coef = powf(n_dot_h, shine);
+
+ if (spec_coef > 1.0e-10F) {
+ if (ctx->Light.Model.ColorControl==GL_SEPARATE_SPECULAR_COLOR) {
+ ACC_SCALE_SCALAR_3V( specularContrib, spec_coef,
+ light->_MatSpecular[0]);
+ }
+ else {
+ ACC_SCALE_SCALAR_3V( diffuseContrib, spec_coef,
+ light->_MatSpecular[0]);
+ }
+ }
+ }
+ }
+
+ ACC_SCALE_SCALAR_3V( diffuseColor, attenuation, diffuseContrib );
+ ACC_SCALE_SCALAR_3V( specularColor, attenuation, specularContrib );
+ }
+
+ Rcolor[0] = CLAMP(diffuseColor[0], 0.0F, 1.0F);
+ Rcolor[1] = CLAMP(diffuseColor[1], 0.0F, 1.0F);
+ Rcolor[2] = CLAMP(diffuseColor[2], 0.0F, 1.0F);
+ Rcolor[3] = CLAMP(diffuseColor[3], 0.0F, 1.0F);
+ Rspec[0] = CLAMP(specularColor[0], 0.0F, 1.0F);
+ Rspec[1] = CLAMP(specularColor[1], 0.0F, 1.0F);
+ Rspec[2] = CLAMP(specularColor[2], 0.0F, 1.0F);
+ Rspec[3] = CLAMP(specularColor[3], 0.0F, 1.0F);
+}
+
+
+/**
+ * Do texgen needed for glRasterPos.
+ * \param ctx rendering context
+ * \param vObj object-space vertex coordinate
+ * \param vEye eye-space vertex coordinate
+ * \param normal vertex normal
+ * \param unit texture unit number
+ * \param texcoord incoming texcoord and resulting texcoord
+ */
+static void
+compute_texgen(struct gl_context *ctx, const GLfloat vObj[4], const GLfloat vEye[4],
+ const GLfloat normal[3], GLuint unit, GLfloat texcoord[4])
+{
+ const struct gl_fixedfunc_texture_unit *texUnit =
+ &ctx->Texture.FixedFuncUnit[unit];
+
+ /* always compute sphere map terms, just in case */
+ GLfloat u[3], two_nu, rx, ry, rz, m, mInv;
+ COPY_3V(u, vEye);
+ NORMALIZE_3FV(u);
+ two_nu = 2.0F * DOT3(normal, u);
+ rx = u[0] - normal[0] * two_nu;
+ ry = u[1] - normal[1] * two_nu;
+ rz = u[2] - normal[2] * two_nu;
+ m = rx * rx + ry * ry + (rz + 1.0F) * (rz + 1.0F);
+ if (m > 0.0F)
+ mInv = 0.5F * (1.0f / sqrtf(m));
+ else
+ mInv = 0.0F;
+
+ if (texUnit->TexGenEnabled & S_BIT) {
+ switch (texUnit->GenS.Mode) {
+ case GL_OBJECT_LINEAR:
+ texcoord[0] = DOT4(vObj, texUnit->GenS.ObjectPlane);
+ break;
+ case GL_EYE_LINEAR:
+ texcoord[0] = DOT4(vEye, texUnit->GenS.EyePlane);
+ break;
+ case GL_SPHERE_MAP:
+ texcoord[0] = rx * mInv + 0.5F;
+ break;
+ case GL_REFLECTION_MAP:
+ texcoord[0] = rx;
+ break;
+ case GL_NORMAL_MAP:
+ texcoord[0] = normal[0];
+ break;
+ default:
+ _mesa_problem(ctx, "Bad S texgen in compute_texgen()");
+ return;
+ }
+ }
+
+ if (texUnit->TexGenEnabled & T_BIT) {
+ switch (texUnit->GenT.Mode) {
+ case GL_OBJECT_LINEAR:
+ texcoord[1] = DOT4(vObj, texUnit->GenT.ObjectPlane);
+ break;
+ case GL_EYE_LINEAR:
+ texcoord[1] = DOT4(vEye, texUnit->GenT.EyePlane);
+ break;
+ case GL_SPHERE_MAP:
+ texcoord[1] = ry * mInv + 0.5F;
+ break;
+ case GL_REFLECTION_MAP:
+ texcoord[1] = ry;
+ break;
+ case GL_NORMAL_MAP:
+ texcoord[1] = normal[1];
+ break;
+ default:
+ _mesa_problem(ctx, "Bad T texgen in compute_texgen()");
+ return;
+ }
+ }
+
+ if (texUnit->TexGenEnabled & R_BIT) {
+ switch (texUnit->GenR.Mode) {
+ case GL_OBJECT_LINEAR:
+ texcoord[2] = DOT4(vObj, texUnit->GenR.ObjectPlane);
+ break;
+ case GL_EYE_LINEAR:
+ texcoord[2] = DOT4(vEye, texUnit->GenR.EyePlane);
+ break;
+ case GL_REFLECTION_MAP:
+ texcoord[2] = rz;
+ break;
+ case GL_NORMAL_MAP:
+ texcoord[2] = normal[2];
+ break;
+ default:
+ _mesa_problem(ctx, "Bad R texgen in compute_texgen()");
+ return;
+ }
+ }
+
+ if (texUnit->TexGenEnabled & Q_BIT) {
+ switch (texUnit->GenQ.Mode) {
+ case GL_OBJECT_LINEAR:
+ texcoord[3] = DOT4(vObj, texUnit->GenQ.ObjectPlane);
+ break;
+ case GL_EYE_LINEAR:
+ texcoord[3] = DOT4(vEye, texUnit->GenQ.EyePlane);
+ break;
+ default:
+ _mesa_problem(ctx, "Bad Q texgen in compute_texgen()");
+ return;
+ }
+ }
+}
+
+
+/**
+ * glRasterPos transformation. Typically called via ctx->Driver.RasterPos().
+ *
+ * \param vObj vertex position in object space
+ */
+void
+_mesa_RasterPos(struct gl_context *ctx, const GLfloat vObj[4])
+{
+ if (_mesa_arb_vertex_program_enabled(ctx)) {
+ /* XXX implement this */
+ _mesa_problem(ctx, "Vertex programs not implemented for glRasterPos");
+ return;
+ }
+ else {
+ GLfloat eye[4], clip[4], ndc[3], d;
+ GLfloat *norm, eyenorm[3];
+ GLfloat *objnorm = ctx->Current.Attrib[VERT_ATTRIB_NORMAL];
+ float scale[3], translate[3];
+
+ /* apply modelview matrix: eye = MV * obj */
+ TRANSFORM_POINT( eye, ctx->ModelviewMatrixStack.Top->m, vObj );
+ /* apply projection matrix: clip = Proj * eye */
+ TRANSFORM_POINT( clip, ctx->ProjectionMatrixStack.Top->m, eye );
+
+ /* clip to view volume. */
+ if (!ctx->Transform.DepthClampNear) {
+ if (viewclip_point_near_z(clip) == 0) {
+ ctx->Current.RasterPosValid = GL_FALSE;
+ return;
+ }
+ }
+ if (!ctx->Transform.DepthClampFar) {
+ if (viewclip_point_far_z(clip) == 0) {
+ ctx->Current.RasterPosValid = GL_FALSE;
+ return;
+ }
+ }
+ if (!ctx->Transform.RasterPositionUnclipped) {
+ if (viewclip_point_xy(clip) == 0) {
+ ctx->Current.RasterPosValid = GL_FALSE;
+ return;
+ }
+ }
+
+ /* clip to user clipping planes */
+ if (ctx->Transform.ClipPlanesEnabled && !userclip_point(ctx, clip)) {
+ ctx->Current.RasterPosValid = GL_FALSE;
+ return;
+ }
+
+ /* ndc = clip / W */
+ d = (clip[3] == 0.0F) ? 1.0F : 1.0F / clip[3];
+ ndc[0] = clip[0] * d;
+ ndc[1] = clip[1] * d;
+ ndc[2] = clip[2] * d;
+ /* wincoord = viewport_mapping(ndc) */
+ _mesa_get_viewport_xform(ctx, 0, scale, translate);
+ ctx->Current.RasterPos[0] = ndc[0] * scale[0] + translate[0];
+ ctx->Current.RasterPos[1] = ndc[1] * scale[1] + translate[1];
+ ctx->Current.RasterPos[2] = ndc[2] * scale[2] + translate[2];
+ ctx->Current.RasterPos[3] = clip[3];
+
+ if (ctx->Transform.DepthClampNear &&
+ ctx->Transform.DepthClampFar) {
+ ctx->Current.RasterPos[3] = CLAMP(ctx->Current.RasterPos[3],
+ ctx->ViewportArray[0].Near,
+ ctx->ViewportArray[0].Far);
+ } else {
+ /* Clamp against near and far plane separately */
+ if (ctx->Transform.DepthClampNear) {
+ ctx->Current.RasterPos[3] = MAX2(ctx->Current.RasterPos[3],
+ ctx->ViewportArray[0].Near);
+ }
+
+ if (ctx->Transform.DepthClampFar) {
+ ctx->Current.RasterPos[3] = MIN2(ctx->Current.RasterPos[3],
+ ctx->ViewportArray[0].Far);
+ }
+ }
+
+ /* compute raster distance */
+ if (ctx->Fog.FogCoordinateSource == GL_FOG_COORDINATE_EXT)
+ ctx->Current.RasterDistance = ctx->Current.Attrib[VERT_ATTRIB_FOG][0];
+ else
+ ctx->Current.RasterDistance =
+ sqrtf( eye[0]*eye[0] + eye[1]*eye[1] + eye[2]*eye[2] );
+
+ /* compute transformed normal vector (for lighting or texgen) */
+ if (ctx->_NeedEyeCoords) {
+ const GLfloat *inv = ctx->ModelviewMatrixStack.Top->inv;
+ TRANSFORM_NORMAL( eyenorm, objnorm, inv );
+ norm = eyenorm;
+ }
+ else {
+ norm = objnorm;
+ }
+
+ /* update raster color */
+ if (ctx->Light.Enabled) {
+ /* lighting */
+ shade_rastpos( ctx, vObj, norm,
+ ctx->Current.RasterColor,
+ ctx->Current.RasterSecondaryColor );
+ }
+ else {
+ /* use current color */
+ COPY_4FV(ctx->Current.RasterColor,
+ ctx->Current.Attrib[VERT_ATTRIB_COLOR0]);
+ COPY_4FV(ctx->Current.RasterSecondaryColor,
+ ctx->Current.Attrib[VERT_ATTRIB_COLOR1]);
+ }
+
+ /* texture coords */
+ {
+ GLuint u;
+ for (u = 0; u < ctx->Const.MaxTextureCoordUnits; u++) {
+ GLfloat tc[4];
+ COPY_4V(tc, ctx->Current.Attrib[VERT_ATTRIB_TEX0 + u]);
+ if (ctx->Texture.FixedFuncUnit[u].TexGenEnabled) {
+ compute_texgen(ctx, vObj, eye, norm, u, tc);
+ }
+ TRANSFORM_POINT(ctx->Current.RasterTexCoords[u],
+ ctx->TextureMatrixStack[u].Top->m, tc);
+ }
+ }
+
+ ctx->Current.RasterPosValid = GL_TRUE;
+ }
+
+ if (ctx->RenderMode == GL_SELECT) {
+ _mesa_update_hitflag( ctx, ctx->Current.RasterPos[2] );
+ }
+}
/**
p[2] = z;
p[3] = w;
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+ FLUSH_VERTICES(ctx, 0);
FLUSH_CURRENT(ctx, 0);
if (ctx->NewState)
}
-static void GLAPIENTRY
+void GLAPIENTRY
_mesa_RasterPos2d(GLdouble x, GLdouble y)
{
rasterpos((GLfloat)x, (GLfloat)y, (GLfloat)0.0, (GLfloat)1.0);
}
-static void GLAPIENTRY
+void GLAPIENTRY
_mesa_RasterPos2f(GLfloat x, GLfloat y)
{
rasterpos(x, y, 0.0F, 1.0F);
}
-static void GLAPIENTRY
+void GLAPIENTRY
_mesa_RasterPos2i(GLint x, GLint y)
{
rasterpos((GLfloat) x, (GLfloat) y, 0.0F, 1.0F);
}
-static void GLAPIENTRY
+void GLAPIENTRY
_mesa_RasterPos2s(GLshort x, GLshort y)
{
rasterpos(x, y, 0.0F, 1.0F);
}
-static void GLAPIENTRY
+void GLAPIENTRY
_mesa_RasterPos3d(GLdouble x, GLdouble y, GLdouble z)
{
rasterpos((GLfloat) x, (GLfloat) y, (GLfloat) z, 1.0F);
}
-static void GLAPIENTRY
+void GLAPIENTRY
_mesa_RasterPos3f(GLfloat x, GLfloat y, GLfloat z)
{
rasterpos(x, y, z, 1.0F);
}
-static void GLAPIENTRY
+void GLAPIENTRY
_mesa_RasterPos3i(GLint x, GLint y, GLint z)
{
rasterpos((GLfloat) x, (GLfloat) y, (GLfloat) z, 1.0F);
}
-static void GLAPIENTRY
+void GLAPIENTRY
_mesa_RasterPos3s(GLshort x, GLshort y, GLshort z)
{
rasterpos(x, y, z, 1.0F);
}
-static void GLAPIENTRY
+void GLAPIENTRY
_mesa_RasterPos4d(GLdouble x, GLdouble y, GLdouble z, GLdouble w)
{
rasterpos((GLfloat) x, (GLfloat) y, (GLfloat) z, (GLfloat) w);
}
-static void GLAPIENTRY
+void GLAPIENTRY
_mesa_RasterPos4f(GLfloat x, GLfloat y, GLfloat z, GLfloat w)
{
rasterpos(x, y, z, w);
}
-static void GLAPIENTRY
+void GLAPIENTRY
_mesa_RasterPos4i(GLint x, GLint y, GLint z, GLint w)
{
rasterpos((GLfloat) x, (GLfloat) y, (GLfloat) z, (GLfloat) w);
}
-static void GLAPIENTRY
+void GLAPIENTRY
_mesa_RasterPos4s(GLshort x, GLshort y, GLshort z, GLshort w)
{
rasterpos(x, y, z, w);
}
-static void GLAPIENTRY
+void GLAPIENTRY
_mesa_RasterPos2dv(const GLdouble *v)
{
rasterpos((GLfloat) v[0], (GLfloat) v[1], 0.0F, 1.0F);
}
-static void GLAPIENTRY
+void GLAPIENTRY
_mesa_RasterPos2fv(const GLfloat *v)
{
rasterpos(v[0], v[1], 0.0F, 1.0F);
}
-static void GLAPIENTRY
+void GLAPIENTRY
_mesa_RasterPos2iv(const GLint *v)
{
rasterpos((GLfloat) v[0], (GLfloat) v[1], 0.0F, 1.0F);
}
-static void GLAPIENTRY
+void GLAPIENTRY
_mesa_RasterPos2sv(const GLshort *v)
{
rasterpos(v[0], v[1], 0.0F, 1.0F);
}
-static void GLAPIENTRY
+void GLAPIENTRY
_mesa_RasterPos3dv(const GLdouble *v)
{
rasterpos((GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2], 1.0F);
}
-static void GLAPIENTRY
+void GLAPIENTRY
_mesa_RasterPos3fv(const GLfloat *v)
{
rasterpos(v[0], v[1], v[2], 1.0F);
}
-static void GLAPIENTRY
+void GLAPIENTRY
_mesa_RasterPos3iv(const GLint *v)
{
rasterpos((GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2], 1.0F);
}
-static void GLAPIENTRY
+void GLAPIENTRY
_mesa_RasterPos3sv(const GLshort *v)
{
rasterpos(v[0], v[1], v[2], 1.0F);
}
-static void GLAPIENTRY
+void GLAPIENTRY
_mesa_RasterPos4dv(const GLdouble *v)
{
rasterpos((GLfloat) v[0], (GLfloat) v[1],
(GLfloat) v[2], (GLfloat) v[3]);
}
-static void GLAPIENTRY
+void GLAPIENTRY
_mesa_RasterPos4fv(const GLfloat *v)
{
rasterpos(v[0], v[1], v[2], v[3]);
}
-static void GLAPIENTRY
+void GLAPIENTRY
_mesa_RasterPos4iv(const GLint *v)
{
rasterpos((GLfloat) v[0], (GLfloat) v[1],
(GLfloat) v[2], (GLfloat) v[3]);
}
-static void GLAPIENTRY
+void GLAPIENTRY
_mesa_RasterPos4sv(const GLshort *v)
{
rasterpos(v[0], v[1], v[2], v[3]);
GET_CURRENT_CONTEXT(ctx);
GLfloat z2;
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+ FLUSH_VERTICES(ctx, 0);
FLUSH_CURRENT(ctx, 0);
- z2 = CLAMP(z, 0.0F, 1.0F) * (ctx->Viewport.Far - ctx->Viewport.Near)
- + ctx->Viewport.Near;
+ z2 = CLAMP(z, 0.0F, 1.0F)
+ * (ctx->ViewportArray[0].Far - ctx->ViewportArray[0].Near)
+ + ctx->ViewportArray[0].Near;
/* set raster position */
ctx->Current.RasterPos[0] = x;
ctx->Current.RasterDistance = 0.0;
/* raster color = current color or index */
- if (ctx->Visual.rgbMode) {
- ctx->Current.RasterColor[0]
- = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR0][0], 0.0F, 1.0F);
- ctx->Current.RasterColor[1]
- = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR0][1], 0.0F, 1.0F);
- ctx->Current.RasterColor[2]
- = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR0][2], 0.0F, 1.0F);
- ctx->Current.RasterColor[3]
- = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR0][3], 0.0F, 1.0F);
- ctx->Current.RasterSecondaryColor[0]
- = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR1][0], 0.0F, 1.0F);
- ctx->Current.RasterSecondaryColor[1]
- = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR1][1], 0.0F, 1.0F);
- ctx->Current.RasterSecondaryColor[2]
- = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR1][2], 0.0F, 1.0F);
- ctx->Current.RasterSecondaryColor[3]
- = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR1][3], 0.0F, 1.0F);
- }
- else {
- ctx->Current.RasterIndex
- = ctx->Current.Attrib[VERT_ATTRIB_COLOR_INDEX][0];
- }
+ ctx->Current.RasterColor[0]
+ = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR0][0], 0.0F, 1.0F);
+ ctx->Current.RasterColor[1]
+ = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR0][1], 0.0F, 1.0F);
+ ctx->Current.RasterColor[2]
+ = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR0][2], 0.0F, 1.0F);
+ ctx->Current.RasterColor[3]
+ = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR0][3], 0.0F, 1.0F);
+ ctx->Current.RasterSecondaryColor[0]
+ = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR1][0], 0.0F, 1.0F);
+ ctx->Current.RasterSecondaryColor[1]
+ = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR1][1], 0.0F, 1.0F);
+ ctx->Current.RasterSecondaryColor[2]
+ = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR1][2], 0.0F, 1.0F);
+ ctx->Current.RasterSecondaryColor[3]
+ = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR1][3], 0.0F, 1.0F);
/* raster texcoord = current texcoord */
{
GLuint texSet;
for (texSet = 0; texSet < ctx->Const.MaxTextureCoordUnits; texSet++) {
+ assert(texSet < ARRAY_SIZE(ctx->Current.RasterTexCoords));
COPY_4FV( ctx->Current.RasterTexCoords[texSet],
ctx->Current.Attrib[VERT_ATTRIB_TEX0 + texSet] );
}
}
-static void GLAPIENTRY
-_mesa_WindowPos2dMESA(GLdouble x, GLdouble y)
+void GLAPIENTRY
+_mesa_WindowPos2d(GLdouble x, GLdouble y)
{
window_pos4f((GLfloat) x, (GLfloat) y, 0.0F, 1.0F);
}
-static void GLAPIENTRY
-_mesa_WindowPos2fMESA(GLfloat x, GLfloat y)
+void GLAPIENTRY
+_mesa_WindowPos2f(GLfloat x, GLfloat y)
{
window_pos4f(x, y, 0.0F, 1.0F);
}
-static void GLAPIENTRY
-_mesa_WindowPos2iMESA(GLint x, GLint y)
+void GLAPIENTRY
+_mesa_WindowPos2i(GLint x, GLint y)
{
window_pos4f((GLfloat) x, (GLfloat) y, 0.0F, 1.0F);
}
-static void GLAPIENTRY
-_mesa_WindowPos2sMESA(GLshort x, GLshort y)
+void GLAPIENTRY
+_mesa_WindowPos2s(GLshort x, GLshort y)
{
window_pos4f(x, y, 0.0F, 1.0F);
}
-static void GLAPIENTRY
-_mesa_WindowPos3dMESA(GLdouble x, GLdouble y, GLdouble z)
+void GLAPIENTRY
+_mesa_WindowPos3d(GLdouble x, GLdouble y, GLdouble z)
{
window_pos4f((GLfloat) x, (GLfloat) y, (GLfloat) z, 1.0F);
}
-static void GLAPIENTRY
-_mesa_WindowPos3fMESA(GLfloat x, GLfloat y, GLfloat z)
+void GLAPIENTRY
+_mesa_WindowPos3f(GLfloat x, GLfloat y, GLfloat z)
{
window_pos4f(x, y, z, 1.0F);
}
-static void GLAPIENTRY
-_mesa_WindowPos3iMESA(GLint x, GLint y, GLint z)
+void GLAPIENTRY
+_mesa_WindowPos3i(GLint x, GLint y, GLint z)
{
window_pos4f((GLfloat) x, (GLfloat) y, (GLfloat) z, 1.0F);
}
-static void GLAPIENTRY
-_mesa_WindowPos3sMESA(GLshort x, GLshort y, GLshort z)
+void GLAPIENTRY
+_mesa_WindowPos3s(GLshort x, GLshort y, GLshort z)
{
window_pos4f(x, y, z, 1.0F);
}
-static void GLAPIENTRY
+void GLAPIENTRY
_mesa_WindowPos4dMESA(GLdouble x, GLdouble y, GLdouble z, GLdouble w)
{
window_pos4f((GLfloat) x, (GLfloat) y, (GLfloat) z, (GLfloat) w);
}
-static void GLAPIENTRY
+void GLAPIENTRY
_mesa_WindowPos4fMESA(GLfloat x, GLfloat y, GLfloat z, GLfloat w)
{
window_pos4f(x, y, z, w);
}
-static void GLAPIENTRY
+void GLAPIENTRY
_mesa_WindowPos4iMESA(GLint x, GLint y, GLint z, GLint w)
{
window_pos4f((GLfloat) x, (GLfloat) y, (GLfloat) z, (GLfloat) w);
}
-static void GLAPIENTRY
+void GLAPIENTRY
_mesa_WindowPos4sMESA(GLshort x, GLshort y, GLshort z, GLshort w)
{
window_pos4f(x, y, z, w);
}
-static void GLAPIENTRY
-_mesa_WindowPos2dvMESA(const GLdouble *v)
+void GLAPIENTRY
+_mesa_WindowPos2dv(const GLdouble *v)
{
window_pos4f((GLfloat) v[0], (GLfloat) v[1], 0.0F, 1.0F);
}
-static void GLAPIENTRY
-_mesa_WindowPos2fvMESA(const GLfloat *v)
+void GLAPIENTRY
+_mesa_WindowPos2fv(const GLfloat *v)
{
window_pos4f(v[0], v[1], 0.0F, 1.0F);
}
-static void GLAPIENTRY
-_mesa_WindowPos2ivMESA(const GLint *v)
+void GLAPIENTRY
+_mesa_WindowPos2iv(const GLint *v)
{
window_pos4f((GLfloat) v[0], (GLfloat) v[1], 0.0F, 1.0F);
}
-static void GLAPIENTRY
-_mesa_WindowPos2svMESA(const GLshort *v)
+void GLAPIENTRY
+_mesa_WindowPos2sv(const GLshort *v)
{
window_pos4f(v[0], v[1], 0.0F, 1.0F);
}
-static void GLAPIENTRY
-_mesa_WindowPos3dvMESA(const GLdouble *v)
+void GLAPIENTRY
+_mesa_WindowPos3dv(const GLdouble *v)
{
window_pos4f((GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2], 1.0F);
}
-static void GLAPIENTRY
-_mesa_WindowPos3fvMESA(const GLfloat *v)
+void GLAPIENTRY
+_mesa_WindowPos3fv(const GLfloat *v)
{
window_pos4f(v[0], v[1], v[2], 1.0);
}
-static void GLAPIENTRY
-_mesa_WindowPos3ivMESA(const GLint *v)
+void GLAPIENTRY
+_mesa_WindowPos3iv(const GLint *v)
{
window_pos4f((GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2], 1.0F);
}
-static void GLAPIENTRY
-_mesa_WindowPos3svMESA(const GLshort *v)
+void GLAPIENTRY
+_mesa_WindowPos3sv(const GLshort *v)
{
window_pos4f(v[0], v[1], v[2], 1.0F);
}
-static void GLAPIENTRY
+void GLAPIENTRY
_mesa_WindowPos4dvMESA(const GLdouble *v)
{
window_pos4f((GLfloat) v[0], (GLfloat) v[1],
(GLfloat) v[2], (GLfloat) v[3]);
}
-static void GLAPIENTRY
+void GLAPIENTRY
_mesa_WindowPos4fvMESA(const GLfloat *v)
{
window_pos4f(v[0], v[1], v[2], v[3]);
}
-static void GLAPIENTRY
+void GLAPIENTRY
_mesa_WindowPos4ivMESA(const GLint *v)
{
window_pos4f((GLfloat) v[0], (GLfloat) v[1],
(GLfloat) v[2], (GLfloat) v[3]);
}
-static void GLAPIENTRY
+void GLAPIENTRY
_mesa_WindowPos4svMESA(const GLshort *v)
{
window_pos4f(v[0], v[1], v[2], v[3]);
#endif
-void
-_mesa_init_rastpos_dispatch(struct _glapi_table *disp)
-{
- SET_RasterPos2f(disp, _mesa_RasterPos2f);
- SET_RasterPos2fv(disp, _mesa_RasterPos2fv);
- SET_RasterPos2i(disp, _mesa_RasterPos2i);
- SET_RasterPos2iv(disp, _mesa_RasterPos2iv);
- SET_RasterPos2d(disp, _mesa_RasterPos2d);
- SET_RasterPos2dv(disp, _mesa_RasterPos2dv);
- SET_RasterPos2s(disp, _mesa_RasterPos2s);
- SET_RasterPos2sv(disp, _mesa_RasterPos2sv);
- SET_RasterPos3d(disp, _mesa_RasterPos3d);
- SET_RasterPos3dv(disp, _mesa_RasterPos3dv);
- SET_RasterPos3f(disp, _mesa_RasterPos3f);
- SET_RasterPos3fv(disp, _mesa_RasterPos3fv);
- SET_RasterPos3i(disp, _mesa_RasterPos3i);
- SET_RasterPos3iv(disp, _mesa_RasterPos3iv);
- SET_RasterPos3s(disp, _mesa_RasterPos3s);
- SET_RasterPos3sv(disp, _mesa_RasterPos3sv);
- SET_RasterPos4d(disp, _mesa_RasterPos4d);
- SET_RasterPos4dv(disp, _mesa_RasterPos4dv);
- SET_RasterPos4f(disp, _mesa_RasterPos4f);
- SET_RasterPos4fv(disp, _mesa_RasterPos4fv);
- SET_RasterPos4i(disp, _mesa_RasterPos4i);
- SET_RasterPos4iv(disp, _mesa_RasterPos4iv);
- SET_RasterPos4s(disp, _mesa_RasterPos4s);
- SET_RasterPos4sv(disp, _mesa_RasterPos4sv);
-
- /* 197. GL_MESA_window_pos */
- SET_WindowPos2dMESA(disp, _mesa_WindowPos2dMESA);
- SET_WindowPos2dvMESA(disp, _mesa_WindowPos2dvMESA);
- SET_WindowPos2fMESA(disp, _mesa_WindowPos2fMESA);
- SET_WindowPos2fvMESA(disp, _mesa_WindowPos2fvMESA);
- SET_WindowPos2iMESA(disp, _mesa_WindowPos2iMESA);
- SET_WindowPos2ivMESA(disp, _mesa_WindowPos2ivMESA);
- SET_WindowPos2sMESA(disp, _mesa_WindowPos2sMESA);
- SET_WindowPos2svMESA(disp, _mesa_WindowPos2svMESA);
- SET_WindowPos3dMESA(disp, _mesa_WindowPos3dMESA);
- SET_WindowPos3dvMESA(disp, _mesa_WindowPos3dvMESA);
- SET_WindowPos3fMESA(disp, _mesa_WindowPos3fMESA);
- SET_WindowPos3fvMESA(disp, _mesa_WindowPos3fvMESA);
- SET_WindowPos3iMESA(disp, _mesa_WindowPos3iMESA);
- SET_WindowPos3ivMESA(disp, _mesa_WindowPos3ivMESA);
- SET_WindowPos3sMESA(disp, _mesa_WindowPos3sMESA);
- SET_WindowPos3svMESA(disp, _mesa_WindowPos3svMESA);
- SET_WindowPos4dMESA(disp, _mesa_WindowPos4dMESA);
- SET_WindowPos4dvMESA(disp, _mesa_WindowPos4dvMESA);
- SET_WindowPos4fMESA(disp, _mesa_WindowPos4fMESA);
- SET_WindowPos4fvMESA(disp, _mesa_WindowPos4fvMESA);
- SET_WindowPos4iMESA(disp, _mesa_WindowPos4iMESA);
- SET_WindowPos4ivMESA(disp, _mesa_WindowPos4ivMESA);
- SET_WindowPos4sMESA(disp, _mesa_WindowPos4sMESA);
- SET_WindowPos4svMESA(disp, _mesa_WindowPos4svMESA);
-}
-
-
-#endif /* FEATURE_rastpos */
-
-
/**********************************************************************/
/** \name Initialization */
/**********************************************************************/
* \param ctx GL context.
*
* Initialize the current raster position information in
- * __GLcontextRec::Current, and adds the extension entry points to the
+ * __struct gl_contextRec::Current, and adds the extension entry points to the
* dispatcher.
*/
-void _mesa_init_rastpos( GLcontext * ctx )
+void _mesa_init_rastpos( struct gl_context * ctx )
{
- int i;
+ unsigned i;
ASSIGN_4V( ctx->Current.RasterPos, 0.0, 0.0, 0.0, 1.0 );
ctx->Current.RasterDistance = 0.0;
ASSIGN_4V( ctx->Current.RasterColor, 1.0, 1.0, 1.0, 1.0 );
ASSIGN_4V( ctx->Current.RasterSecondaryColor, 0.0, 0.0, 0.0, 1.0 );
- ctx->Current.RasterIndex = 1.0;
- for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++)
+ for (i = 0; i < ARRAY_SIZE(ctx->Current.RasterTexCoords); i++)
ASSIGN_4V( ctx->Current.RasterTexCoords[i], 0.0, 0.0, 0.0, 1.0 );
ctx->Current.RasterPosValid = GL_TRUE;
}
projects / mesa.git / blobdiff